68
L Reg
/1.15
MOT
/1.15
R23
/1.15
N Reg
/1.15
PE
/1.15
12
-X12
L
-X7
6
1
11
N
P
+-
b2 c4
a1
-F1
HDP
5 1
A1
A2
-K1
VD1
4
A1
A2
-K2
VD2
23
24
-K1
3
3
-X7
ϑ
-E2
4
-Y2
N PE
53
54
-K2
4
5
ϑ
-E3
6
-Y3
N
53
54
-K4
8
A1
A2
-K3
PE
53
54
-K5
9
2
-X12
21
22
-K5
9
A1
A2
-K4
7
2
-X7
-Y1
10
21
22
-K4
8
A1
A2
-K5
3
P
+-
c4
a1
-F2
NDP
8
-X12
ϑ
-STB
A1
A2
-K6
ZW1
P
- +
c4
a1
-E1
AEP
9
ϑ
1
-X52
-R4
TRL
2
ϑ
3
-R5
TVL
4
ϑ
5
-R6
THG
6 9
29
-X7
-R10
CW
10
30
1 2
/1.12
3 4
/1.12
5 6
/1.12
21 22
1 2
/1.4
3 4
/1.4
5 6
/1.4
21 22
1 2
/1.12
3 4
/1.13
5 6
/1.13
21 22
8
53 54
8
1 2
/1.13
3 4
/1.13
5 6
/1.14
21 22
9
53 54
7
1 2
/1.9
3 4
/1.9
5 6
/1.9
21 22
/1.10
53 54
6
1 2
/1.6
3 4
/1.6
5 6
/1.6
21 22
/1.7
23 24
4
-E2
Plug on switch box heat pump (control line)
Safety temperature limiter heating element
Contactor for compressor 1
-X52
K1
AV
K3
L1
1
F1
TRL
Contactor for auxiliary heating
PE
High-pressure switch
Network protection fan
Terminal in switch box heat pump
X52
K2
TVL
Return sensor
-E1
2 1
Flow sensor
bl
AEP
R10
E3
MOT
R4
Hot gas thermostat gas injection compressor 2
ZW1
VEN
Solenoid valve gas injection compressor 1
VBO
NDP
-E3
E1 Defrosting pressostat
ASD
K6
-Y1
THG
X7
VD1
F2
Y1
Triangle contactor fan
Defrosting valve
Y2
-Y3
K4
K5
VD1
Star contactor fan
STB
Hot gas sensor
rt
Operating materials
-X12
R5
ZW1
Function
2
E2
Solenoid valve gas injection compressor 2Y3
Low-pressure switch
2 PE PE
TVL
1
Legend:
R6
CW
Plug on switch box heat pump (gauge line)
Encoding resistor, 1150 Ohm
-F2
THG
VD2
ND
bl
VD2
X12
TRL
Hot gas thermostat gas injection compressor 1
Contactor for compressor 2
HD
HDP
3
UK817066d
-F1
N
-Y2
We reserve the right to modify technical specifications without prior notice.
UK830532/200610 © Alpha-InnoTec GmbH
LW 320H-A Circuit diagram 2/2
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